Casement window



FIG. 1 is an enlarged front elevational view of one window of the casement window;

FIG. 2 is a front elevational view of the casement window in fixed and operable positions; and,

FIG. 3 is an enlarged fragmented view of one window of the casement window in operable position.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a casement window, as shown in the drawings. 